Ngày tải lên :
10/04/2013, 16:26
... 1:
).cm(45 ,26 F
2
a
=
= 22 8 + 23 0;
).cm(6,7F
2,
a
=
= 22 2
)cm (22 174)5,430).(6,745 ,26 (J
42
a
=+=
Gvhd: ths. Nguyễn văn phong svth: bïi tiÕn dòng 02X5–
29
đồ án bê tông cốt thép II Bài này ...
647,01,0
40
05,4
1,0
11,0
1,0
h
e
1,0
11,0
S
0
=+
+
=+
+
=
.
).kg (27 1 321 ) 924 5.10 .22 13330.10 .29 .
83 52, 1
647,0
.(
975
4,6
N
64
2
th
=+=
. 425 ,1
27 1 321
808 72
1
1
N
N
1
1
th
=
=
=
).cm (27 ,21 5,4
2
40
05,4. 425 ,1a
2
h
e.e
0
=+=+=
).cm(13,18
40.130
)27 ,1 721 ,21 .(3400808 72
b.R
F.RF.RN
x
n
,
a
,
aaa
=
+
=
+
=
)cm(1 ,20 5,35.565,0h.
00
==
... 330 = 21 ,21 (cm
2
);
,
a
F
= 2 28 + 1 25 = 17 ,27 (cm
2
).
-
).cm( 924 5)5,4
2
40
.(48,38)a
2
h
).(FF(J
422 ,
aaa
=−=−+=
.46,1
)045,0
2
4.0
.(8 72, 80479,15
)045,0
2
4.0
.(8 72, 80343,0
1
)a
2
h
.(NM
)a
2
h
.(NM
1K
dhdh
dh
=
−+
−+
+=
−+
−+
+=
27 9,01,0
516,01,0
11,0
1,0
h
e
1,0
11,0
S
0
=+
+
=+
+
=
).kg (20 4075) 924 5.10 .22 13330.10 .29 .
46,1
27 9,0
.(
975
4,6
N
64
2
th
=+
.66,1
20 4075
808 72
1
1
N
N
1
1
th
=
−
=
−
=η
).cm(76,495,4
2
40
64 ,20 .66,1a
2
h
e.e
0
=−+=−+η=
).cm(13,18
40.130
)27 ,1 721 ,21 .(3400808 72
b.R
F.RF.RN
x
n
,
a
,
aaa
=
−+
=
−+
=⇒
)cm(1 ,20 5,35.565,0h.
00
==α
...